81405365

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{3359}}^1$

素因数の和:3532

約数の個数: 16

約数和(自身を含む): 101122560

約数和(自身を除く): 19717195

約数列:

[1, 5, 37, 131, 185, 655, 3359, 4847, 16795, 24235, 124283, 440029, 621415, 2200145, 16281073, 81405365]

約数ペア:

[(1, 81405365), (5, 16281073), (37, 2200145), (131, 621415), (185, 440029), (655, 124283), (3359, 24235), (4847, 16795)]